﻿/*
* Copyright (c) 2006-2007 Erin Catto http://www.gphysics.com
*
* This software is provided 'as-is', without any express or implied
* warranty.  In no event will the authors be held liable for any damages
* arising from the use of this software.
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
*/

package box2D.dynamics.contacts;


import box2D.collision.B2Manifold;
import box2D.common.B2Settings;
import box2D.common.math.B2Mat22;
import box2D.common.math.B2Vec2;
import box2D.dynamics.B2Body;


/**
* @private
*/
class B2ContactConstraint
{
	public function new() {
		localPlaneNormal = new B2Vec2 ();
		localPoint = new B2Vec2 ();
		normal = new B2Vec2 ();
		normalMass = new B2Mat22 ();
		K = new B2Mat22 ();
		points = new Array <B2ContactConstraintPoint> ();
		for (i in 0...B2Settings.b2_maxManifoldPoints){
			points[i] = new B2ContactConstraintPoint();
		}
	}
	public var points:Array <B2ContactConstraintPoint>;
	public var localPlaneNormal:B2Vec2;
	public var localPoint:B2Vec2;
	public var normal:B2Vec2;
	public var normalMass:B2Mat22;
	public var K:B2Mat22;
	public var bodyA:B2Body;
	public var bodyB:B2Body;
	public var type:Int;//b2Manifold::Type
	public var radius:Float;
	public var friction:Float;
	public var restitution:Float;
	public var pointCount:Int;
	public var manifold:B2Manifold;
}